1 files changed, 72 insertions, 0 deletions
diff --git a/src/di_container/blocking/binding/scope_configurator.rs b/src/di_container/blocking/binding/scope_configurator.rs
new file mode 100644
index 0000000..09897b6
--- /dev/null
+++ b/src/di_container/blocking/binding/scope_configurator.rs
@@ -0,0 +1,72 @@
+//! Scope configurator for a binding for types inside of a [`DIContainer`].
+use std::marker::PhantomData;
+use std::rc::Rc;
+
+use crate::di_container::blocking::binding::when_configurator::BindingWhenConfigurator;
+use crate::di_container::blocking::DIContainer;
+use crate::errors::di_container::BindingScopeConfiguratorError;
+use crate::interfaces::injectable::Injectable;
+use crate::provider::blocking::{SingletonProvider, TransientTypeProvider};
+use crate::ptr::SingletonPtr;
+
+/// Scope configurator for a binding for type 'Interface' inside a [`DIContainer`].
+pub struct BindingScopeConfigurator<Interface, Implementation>
+where
+    Interface: 'static + ?Sized,
+    Implementation: Injectable,
+{
+    di_container: Rc<DIContainer>,
+    interface_phantom: PhantomData<Interface>,
+    implementation_phantom: PhantomData<Implementation>,
+}
+
+impl<Interface, Implementation> BindingScopeConfigurator<Interface, Implementation>
+where
+    Interface: 'static + ?Sized,
+    Implementation: Injectable,
+{
+    pub(crate) fn new(di_container: Rc<DIContainer>) -> Self
+    {
+        Self {
+            di_container,
+            interface_phantom: PhantomData,
+            implementation_phantom: PhantomData,
+        }
+    }
+
+    /// Configures the binding to be in a transient scope.
+    ///
+    /// This is the default.
+    #[allow(clippy::must_use_candidate)]
+    pub fn in_transient_scope(&self) -> BindingWhenConfigurator<Interface>
+    {
+        let mut bindings_mut = self.di_container.bindings.borrow_mut();
+
+        bindings_mut.set::<Interface>(
+            None,
+            Box::new(TransientTypeProvider::<Implementation>::new()),
+        );
+
+        BindingWhenConfigurator::new(self.di_container.clone())
+    }
+
+    /// Configures the binding to be in a singleton scope.
+    ///
+    /// # Errors
+    /// Will return Err if resolving the implementation fails.
+    pub fn in_singleton_scope(
+        &self,
+    ) -> Result<BindingWhenConfigurator<Interface>, BindingScopeConfiguratorError>
+    {
+        let singleton: SingletonPtr<Implementation> = SingletonPtr::from(
+            Implementation::resolve(&self.di_container, Vec::new())
+                .map_err(BindingScopeConfiguratorError::SingletonResolveFailed)?,
+        );
+
+        let mut bindings_mut = self.di_container.bindings.borrow_mut();
+
+        bindings_mut.set::<Interface>(None, Box::new(SingletonProvider::new(singleton)));
+
+        Ok(BindingWhenConfigurator::new(self.di_container.clone()))
+    }
+}